Find a volcano by region, name, eruption date, or browse through the global volcano lists. Also includes chronological listing of dates and explosive magnitudes of large eruptions during the past 10,000 years. From the Smithsonian Institution.

"A series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey." Find satellite imagery from 1972 to present. The image gallery currently has images of world cities, land features, water and ice, natural disasters, and special images

The MetEd website provides education and training resources to benefit the operational forecaster community, university atmospheric scientists and students, and anyone interested in learning more about meteorology, weather forecasting, and related geoscience topics.

All PDF titles are now available for free download. Topics cover a wide range of subjects, including biographies, sciences, computers & information technology, education, food & nutrition, health & medicine, and much more! Click on a title to see if it is available for a free download, also includes research tools, online videos, podcasts, etc.

Studies "key seasonal changes in plants and animals from year to year – such as flowering, emergence of insects and migration of birds – especially their timing and relationship with weather and climate." Website includes link to Nature's Notebook, which allows amateur and professional naturalists observe and record observations of plants and animals.

Photos and images sorted into the following topics: defense and international relations, environment, energy, and agriculture, general government, health and nutrition, history, arts & culture, money and taxes, public safety and law, and science and technology.

"Multimedia modules present natural, historical, and cultural wonders associated with national parks and provide opportunities for people to discover why national parks are special places." From the National Park Service.

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